B15CC Code: Meaning, Causes, and Symptoms | OBD2 Codes

B15CC – Backup Battery Failure

 

B15CC Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B15CC Possible Causes

 

Faulty Back-Up Battery (BUB),Back-Up Battery (BUB) harness is open or shorted,Back-Up Battery (BUB) circuit poor electrical connection,Faulty Data Communication Module (DCM) (Telematics Transceiver)

 

B15CC Description

 

This Diagnostic Trouble Code (DTC) is set when the Data Communication Module (DCM) (Telematics Transceiver) detects one of the following: Open or short in the Back-Up Battery (BUB) circuit, The BUB voltage drops or the BUB malfunctions, The BUB temperature is (temporarily) high.